Description:With Slinky Science Crystal Radio Mini Labs Kit, you can build your own real, working crystal radio. Pick up radio stations and experiment with radio waves. No soldering required, and needs no batteries! Comes complete with tuning coil, antennas, and earphone. Tune in to this terrific kit! For ages 8 and up.

Warning: Choking Hazard - Contains small parts not suitable for children under 3 years.